Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Input Voltage | 12V DC |
| Relay Load Capacity | 10A 250VAC / 10A 30VDC |
| Sensor Type | Photoresistor (LDR) |
| Sensitivity Control | Adjustable Potentiometer |
| PCB Dimensions | 35mm x 15mm |
| Mounting Hole Diameter | 3mm |
| Indicator LEDs | Power and Relay Status |
| Switch Mode | Light/Dark Trigger Selectable |
| Operating Temperature | -20°C to 60°C |
| Package Weight | 15 grams |
Anonymous
Apr 09, 2026
Rating: 5/5
Compact and effective
Fits easily into small enclosures. Wiring terminals are clear and easy to identify for beginners.
Anonymous
Apr 09, 2026
Rating: 5/5
Exactly what I needed
Used for a model railway lighting system. Stable performance over several weeks without any issues.
Anonymous
Feb 24, 2026
Rating: 4/5
Good but needs tuning
The relay functions well but took some time to adjust the potentiometer for my specific lighting conditions.
Anonymous
Feb 12, 2026
Rating: 5/5
Great for automation
Works perfectly with my 12V LED strip setup. Very sensitive to light changes and the relay clicks securely.
Anonymous
Jan 22, 2026
Rating: 3/5
Decent module
Works as intended but the LDR range is limited. Good for close proximity detection rather than large areas.
Q: Does this come with connecting wires?
A: No, wires are not included. You will need to solder or use screw terminals for connections.
Q: Can I power this with 9V battery?
A: It is designed for 12V DC. Using 9V may not provide enough voltage to trigger the relay reliably.
Q: How do I reverse the light logic?
A: Use the jumper cap or switch on the board to toggle between Light and Dark trigger modes.
Q: Is the relay Normally Open or Normally Closed?
A: The module provides Common, Normally Open, and Normally Closed terminals for flexible wiring.
Q: Can it handle 220V household lights?
A: Yes, the relay is rated for 250VAC, but please ensure proper insulation and safety measures.
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